CVE-2026-73707

What it is

Privilege escalation vulnerabilities exist in the API of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to complete state-changing actions that should not be allowed by their current level of authorization on the platform, including changes to the configuration of systems managed by the affected product.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. High risk of data tampering.

Exploit odds

0.3% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-09-01 20:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-09-02 16:17 UTC Last updatedMost recent change to the record

Details

Published

2026-09-01 20:17 UTC

Last modified

2026-09-02 16:17 UTC

Exploit probability

0.3% · EPSS, next 30 days

Weakness

CWE-863 · Incorrect authorization

Record status

Modified

Affected

• Arubanetworks Fabric Composer < 7.3.4

Attack profile CVSS 3.1 · 8.5

Attack vector

Network

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Changed

Confidentiality

None

Integrity

High

Availability

Low